1. Endocrine Surgical Oncology Fellows (N.W., D.M., L.B.), Department of Surgery, University of California, San Francisco, California 94143;
2. First Department of Surgery (N.W.), Yokohama City University School of Medicine, Yokohama 236-0004, Japan;
3. Surgical Service, Veterans Affairs Medical Center (Q.-Y.D.), San Francisco, California 94121;
4. Department of Endocrine Surgery (D.M.), Toranomon Hospital, Tokyo 105-8470, Japan
5. UCSF/Mount Zion Medical Center (M.G.W., O.H.C.), San Francisco, California 94143;